40309398

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{31541}}^1$

素因数の和:31620

約数の個数: 24

約数和(自身を含む): 88569936

約数和(自身を除く): 48260538

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 31541, 63082, 94623, 189246, 283869, 567738, 2239411, 4478822, 6718233, 13436466, 20154699, 40309398]

約数ペア:

[(1, 40309398), (2, 20154699), (3, 13436466), (6, 6718233), (9, 4478822), (18, 2239411), (71, 567738), (142, 283869), (213, 189246), (426, 94623), (639, 63082), (1278, 31541)]